.close-button {
    -fx-background-color: transparent;
    -fx-background-radius: 0;
    -fx-border-width: 0;
}

.close-button:hover {
    -fx-background-color: red;
}

.close-button:pressed {
    -fx-background-color: red;
}

.maximum-button {
    -fx-background-color: transparent;
    -fx-background-radius: 0;
    -fx-border-width: 0;
}

.maximum-button:hover {
    -fx-background-color: #e0e8f5;
}

.maximum-button:pressed {
    -fx-background-color: #cdd4e0;
}

.minimum-button {
    -fx-background-color: transparent;
    -fx-background-radius: 0;
    -fx-border-width: 0;
}

.minimum-button:hover {
    -fx-background-color: #e0e8f5;
}

.minimum-button:pressed {
    -fx-background-color: #cdd4e0;
}